<%--
  Created by IntelliJ IDEA.
  User: skyADMIN
  Date: 15/9/3
  Time: 下午4:54
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%
if(session.getAttribute("tid")==null){
  %>
<script>
  alert("请先登录！");
  window.location.href="index.jsp";
</script>
<%
}
%>
